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Last change
on this file since abd4109 was 7bf3856, checked in by Thomas Lopatic <thomas@…>, 7 years ago |
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Added Alcyon C reference output.
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-
Property mode
set to
100644
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File size:
622 bytes
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| Rev | Line | |
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| [7bf3856] | 1 | .globl _ispow2
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| 2 | .text
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| 3 | _ispow2:
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| 4 | ~~ispow2:
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| 5 | ~x=R7
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| 6 | link R14,#0
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| 7 | movem.l R4-R7,-(sp)
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| 8 | ~i=R6
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| 9 | ~k=R5
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| 10 | *line 22
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| 11 | move.l 8(R14),R7
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| 12 | *line 22
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| 13 | move.l #$1,R5
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| 14 | *line 24
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| 15 | move #32,R6
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| 16 | bra L4
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| 17 | L5:
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| 18 | *line 25
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| 19 | *line 26
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| 20 | *line 26
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| 21 | move.l R7,R0
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| 22 | and.l R5,R0
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| 23 | beq L6
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| 24 | *line 27
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| 25 | *line 28
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| 26 | *line 29
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| 27 | move.l R7,R0
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| 28 | move.l R5,R1
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| 29 | not.l R1
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| 30 | and.l R1,R0
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| 31 | beq L7
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| 32 | *line 29
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| 33 | clr R0
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| 34 | bra L1
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| 35 | bra L8
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| 36 | L7:
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| 37 | *line 30
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| 38 | *line 31
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| 39 | move #1,R0
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| 40 | bra L1
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| 41 | L8:
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| 42 | *line 32
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| 43 | *line 33
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| 44 | L6:
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| 45 | *line 34
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| 46 | asl.l #$1,R5
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| 47 | L3:L4:
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| 48 | *line 24
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| 49 | move R6,R0
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| 50 | sub #1,R6
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| 51 | tst R0
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| 52 | bne L5
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| 53 | L2:
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| 54 | *line 37
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| 55 | clr R0
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| 56 | bra L1
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| 57 | L1:tst.l (sp)+
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| 58 | movem.l (sp)+,R5-R7
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| 59 | unlk R14
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| 60 | rts
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| 61 | .data
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